25944520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 71424000

約数和(自身を除く): 45479480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 61, 62, 70, 98, 122, 124, 140, 155, 196, 217, 244, 245, 248, 280, 305, 310, 343, 392, 427, 434, 488, 490, 610, 620, 686, 854, 868, 980, 1085, 1220, 1240, 1372, 1519, 1708, 1715, 1736, 1891, 1960, 2135, 2170, 2440, 2744, 2989, 3038, 3416, 3430, 3782, 4270, 4340, 5978, 6076, 6860, 7564, 7595, 8540, 8680, 9455, 10633, 11956, 12152, 13237, 13720, 14945, 15128, 15190, 17080, 18910, 20923, 21266, 23912, 26474, 29890, 30380, 37820, 41846, 42532, 52948, 53165, 59780, 60760, 66185, 75640, 83692, 85064, 92659, 104615, 105896, 106330, 119560, 132370, 167384, 185318, 209230, 212660, 264740, 370636, 418460, 425320, 463295, 529480, 648613, 741272, 836920, 926590, 1297226, 1853180, 2594452, 3243065, 3706360, 5188904, 6486130, 12972260, 25944520]

約数ペア:

[(1, 25944520), (2, 12972260), (4, 6486130), (5, 5188904), (7, 3706360), (8, 3243065), (10, 2594452), (14, 1853180), (20, 1297226), (28, 926590), (31, 836920), (35, 741272), (40, 648613), (49, 529480), (56, 463295), (61, 425320), (62, 418460), (70, 370636), (98, 264740), (122, 212660), (124, 209230), (140, 185318), (155, 167384), (196, 132370), (217, 119560), (244, 106330), (245, 105896), (248, 104615), (280, 92659), (305, 85064), (310, 83692), (343, 75640), (392, 66185), (427, 60760), (434, 59780), (488, 53165), (490, 52948), (610, 42532), (620, 41846), (686, 37820), (854, 30380), (868, 29890), (980, 26474), (1085, 23912), (1220, 21266), (1240, 20923), (1372, 18910), (1519, 17080), (1708, 15190), (1715, 15128), (1736, 14945), (1891, 13720), (1960, 13237), (2135, 12152), (2170, 11956), (2440, 10633), (2744, 9455), (2989, 8680), (3038, 8540), (3416, 7595), (3430, 7564), (3782, 6860), (4270, 6076), (4340, 5978)]